baber/WOPTO huggingface dataset:
Patent GB-820449-A (GB)
Title: Improvements relating to synchronous electric clocks
IPC: G04R40/02
Filed: 1956-05-16
Abstract: 820,449. Electric clocks. GENERAL ELECTRIC CO. May 16, 1956 [May 25, 1955], No. 15255/56. Class 139 In an electric clock of the type disclosed in Specification 819,992 the transducer includes a backing 20, Fig. 1, of conductive material provided on at least one wall of the case and co-acting with a ground system 13 to respond to the alternating field. The conductive backing may be formed by a sheet of metal foil fixed to a wall of the case or by a metallic coating applied to the wall. Where a conductive backing is applied to two or more walls a selector switch is provided so that the most suitable wall may be selected at any instant. In a modification, Fig. 3, there are three conductive backings 10, 20, 30 connected to a selector switch 27 and a phase shifting network 21, 22, 23, 24.
Patent GB-282293-A (GB)
Title: Improvements in ironing machines
IPC: D06F67/00
Filed: 1927-06-08
Abstract: 282,293. Apex Electrical Manufacturing Co., (Assignees of Racklyeft, J. W.). Feb. 10, 1927, [Convention date]. Ironing-machines with rollers rotating against concave surfaces.-One end of the roller 3 of a Decoudun rotates on a ring 48, Fig. 6, which is pivoted at 49 to the stationary frame 27 and the other end is secured to a stub-shaft 54 which is connected by a universal joint 64 to a shaft 62 driven from the motor driven shaft 37 through a clutch and chain gearing. The stub-shaft is carried in a bearing 53 in a bracket 52 pivoted to an arm 50 which is secured to a tube 29 enclosing the shaft 62 and rigidly secured to the stationary frame. Movement of the roller towards and away from the bed is derived from the shaft 37 and controlled by the operator through a clutch which when thrown in causes the roller bearings 53, 48 to swing to positions eccentric of the stationary tube 29. For this purpose there are provided two parallel rods 67, 74, Fig. 8, interconnected by springs and extending respectively between the ring 48 and an arm 66, Fig. 6, fixed to the bearing 53 and between an arm 73, Figs. 5 and 8, pivoted to the stationary tube and an arm 70 fixed to a rock shaft 69, Fig. 5, carried in a bearing on the tube 29. The shaft 69 is rocked from the shaft 37 through a linkage 98, 71 and a crank disc 95 forming part of the clutch controlled by the operator from a lever 106 having a padded end 108 for actuation by the operator's knee. The clutch 111 in the transmission from the shaft 37 to shaft 62 is normally spring- pressed into' gear, but is thrown out, when the roller is moved away from its bed, by means of a cam 120 on the crank disc 95 engaging a lever operatively connected to the spring-pressed frame 114 carrying the clutch. The roller is thus always maintained stationary when out of contact with the bed and is normally rotated when engaging the bed, but provision is made for the clutch 111 to be actuated independently by the operator to disconnect the drive and maintain the roller stationary when in contact with the bed. The frame 7 of the bed 2 is carried by legs 8, 9 of which the front pair pass through slots in the table 1 and are secured by a latch operated from a lever 17. The whole apparatus is pivotally carried by a support 133.
Patent GB-277621-A (GB)
Title: Improvement in mining machines
IPC: E21C29/10
Filed: 1927-06-08
Abstract: 277,621. Sullivan Machinery Co., (Assignees of Holmes, M. P.). Sept. 20, 1926, [Convention date]. Clutches. claw ; operating or controlling clutches.-The feeding means of a coal-cutting machine are driven from the motor through driving connections including worms rotatable on transverse horizontal axes, and worm gears meshing therewith. The machine comprises a reversible electric motor with a shaft 13, Fig. 3, which, through spur gearing 53, 54, 58 and bevel gearing 62, 63, drives a transverse horizontal shaft 65 carrying a worm 85 and driving, through gearing 67, 76, Fig. 5 a parallel shaft 78 carrying a worm 86; the worm shafts may be driven at different speeds and the worms 85, 86 may be of different pitch and have like or opposite threads. The worms 85, 86 engage co-axial worm gears 87, 88, Fig. 3, each containing a disc clutch 106 through which the gear drives a plate 101 or 102 internally toothed to engage and drive an elongated pinion 92 on a shaft 91; the gear 92 drives a spur gear 93 which may be connected through a clutch to a shaft 94 carrying either a sprocket 98, Fig. 3, engaging an anchored feed chain or a pinion 150, Fig. 11, engaging an internal gear 151 in a drum 152 hauling on an anchored rope. The sprocket and chain, or the rope and drum, may also be used for slewing the cutter jib. The disc clutches in the worm gears 87, 88 are alternately operated by a shipper 99 with its outer end pivotally held between spring-pressed plates 111, 112, Fig. 7, so as to yield in case of overload on the clutches; the shipper 99 is actuated by a crank &c. 115 on a rod 116 with a handle 118. The clutch between the gear 93 and the sprocket &c. shaft 94 comprises clutch teeth 120 on the shaft 94, and a ring 122 held in the gear 93 by an expansible split ring 123 and provided with teeth 121. engaging teeth 122a in the gear 93, the ring 122 being movable axially against springs 125 to bring the teeth 121 also into engagement with the teeth 120; the ring 122 is moved by means of a shipper ring 131 supported on a fixed ring 127 and rotated by toothed engagement at 133 with an axiallymovable rod 136, the ring 131 having pins engaging inclined slots in the fixed ring 127 and the pins also carrying rollers 132 engaging the clutch ring 122. Specifications 211,475 and 224,694, [both in Class 68 (i), Excavating earth &c.], are referred to.
Patent GB-1132192-A (GB)
Title: Apparatus for measuring the level of a fluid material
Inventor: NOLL HUBERTUS
IPC: G01F23/26
Filed: 1967-04-04
Abstract: 1,132,192. Measuring liquid level electrically. B. GRIESHABER. April 4, 1967, No.15350/67. Heading G1N. A liquid level sensing capacitor C m  is supplied with a constant alternating voltage from an oscillator including a transistor T1, the capacitor being in series with a parallel arrangement of a diode D3 and the emitter-base junction of a transistor T2, so that half waves of one polarity of the oscillator output flow through the diode D3, and those of opposite polarity flow through the transistor thus causing a unidirectional voltage to be set up on a capacitor G2 which is measured remotely. The oscillator includes windings L1 and L2 of a transformer in its collector and base circuits, the winding L1 having an associated amplitude-limiting Zener diode Dl; and a tuned secondary L3 of the transformer drives the capacitor C m  The apparatus facilitates remote measurement of the current variations in capacitor C m  with liquid level changes, without the effect of stray capacity of leads attached directly to the capacitor M.
Patent GB-746653-A (GB)
Title: Method of and apparatus for use in applying contractible bands to articles
IPC: B29C63/20
Filed: 1954-05-25
Abstract: 746,653. Assembling bands on bottles &c. MEYER MANUFACTURING CO., G. J. May 25, 1954 [March 16, 1954], No. 15388/54. Class 108 (3). [Also in Group XVII] In apparatus for applying wet regenerated cellulose bands, which shrink for tight fitting on drying, to bottles &c., compressed air is passed between the bottle and the inner surface of the band to act as a lubricant as the band is slipped endwise on to the bottle and to increase the diameter of the leading end of the band temporarily. A plunger 23 moves vertically in a bearing 31, supported by the machine frame, and is actuated through a lever 33 by a cam 22 on a motor-rotated horizontal shaft 20; said shaft 20 also carries another cam for actuating a horizontally sliding carriage carrying suction cups 25, 26. A second horizontal shaft 36 carries a cam 37 actuating a lever 38 carrying a stripper sleeve 42, sliding vertically on the lower part 23a of the plunger 23, said part 23a having a diameter a little greater than the bottle neck on which the band is to be slipped. The plunger 23 has an axial longitudinal bore 44 intersecting a transverse bore 45, at its upper end, to the exterior. The bearing 31 has a radial part 46 for leading in compressed air controlled by a valve actuated by a cam on the shaft 20. A flattened tube B of regenerated cellulose is advanced by feed rolls 27, 28 to lie between the suction cups 25, 26, and a suitable band length B<SP>2</SP> is cut off by cutters 30, 29. The suction cups then begin to open the band B<SP>2</SP> by their suction and separation, and they transfer the band to locate it directly under and coaxial with the plunger 23. The descending plunger 23 takes up the band around its lower end, with the lower marginal band portion overlapping the tapered lower end of the plunger, the suction cups being then disengaged. Upon the lower end of the plunger 23 contacting the top of the bottle A, the part 46 coincides with the bore 45 and compressed air flows down the bore 44 and is deflected laterally by the container top to flow in grooves on the lower surface of the plunger 23 to flare the band end, which is pushed by the descending stripper sleeve 42 on to the bottle neck. The portion 23a of the plunger 23 may be longitudinally fluted. When the end of the band passes on to the bottle neck, air flows, between the band and the bottle to give a lubricating air film. On completion of the stripper sleeves motion, it rises with the plunger and the air is cut off.
Patent GB-1012045-A (GB)
Title: Improvements in or relating to terpene-phenol condensation products
IPC: C08G8/30
Filed: 1962-04-19
Abstract: Terpene-phenol condensation products of -OH content 7.5-8.0% and M.W. 330-360 are produced by adding a p-menthadiene, or a terpene convertible thereto under the reaction conditions, to a mixture comprising (a) phenol which may be substituted with 1 to 3 C1- 4-alkyl groups (2.25-10 moles per mole of terpene) and (b) BF3 and/or H2SO4, at - 10 DEG  to 15 DEG  C. The catalyst (b) may be a molecular compound of BF3 with an ether, alcohol, ester, acid or phenol. Preferred reactants are phenol, the cresols, dipentene, limonene and alpha-pinene, but a number of others are listed.  The major constituents of the products are stated to be terpene diphenols and diterpene diphenols. Specification 1,012,046 is referred to.
Patent GB-688100-A (GB)
Title: Improvements in or relating to draught preventers or excluders and the manufacture thereof
IPC: E06B7/23
Filed: 1951-06-29
Abstract: 688,100. Draught excluders. KELLNER, H. June 29, 1951, No. 15450/51. Class 20(iii) ' A draught excluding packing comprises a thin walled, highly elastic, flexible tube 1, and an adhesive fastening strip 2 which extends tangentially on one or on both, sides of the tube. The wall of the tube is about 0.2 to 0.5 mm. thick. The strip 2 may have an adhesive layer on one, or one both sides as indicated at 3', 3, Fig. 3.
Patent GB-1458748-A (GB)
Title: Lubrication system especially for electric motors
IPC: F16N17/06
Filed: 1974-04-08
Abstract: 1458748 Lubricating bearings AIRCO Inc 8 April 1974 [12 April 1973] 15465/74 Heading F2A A bearing 13 journalling a vertical rotatable spindle 12 is lubricated by lubricant which is drawn from a reservoir 15 through an axial passage 16 in the spindle, the passage connecting with a plurality of outlets 17 in the surface of the spindle above the bearings, the arrangement being such that part of the lubricant bearing the outlets passes through the bearing and returns to the reservoir and the remainder returns directly to the reservoir. The lubricant may be allowed to drip on to the bearing or may be atomized. An auxiliary reservoir 57 may be provided to collect lubricant returning to the main reservoir, some lubricant being supplied from the auxiliary reservoir to a second bearing 61 journalling the spindle. The lubricant may be cooled by passing it along a surface 19 forming part of a circulatory cooling system of the device in which the spindle is located. The spindle may be the driven pump rotor of a turbomolecular pump.
Patent GB-825972-A (GB)
Title: Improvements in and relating to the production of alumina
Inventor: VINCENT GEORGE CLARKSON
IPC: B01J21/04
Filed: 1957-05-16
Abstract: Substantially pure alumina is prepared by dissolving aluminium in an alcohol to form an alkoxide solution, precipitating impurities from the solution by adding a liquid hydrocarbon or liquid mixture of hydrocarbons, separating the impurities and hydrolysing the alkoxide. Alcohols referred to are methanol (Provisional Specification), ethanol, propanols and butanols and in the example aluminium isopropoxide solution is prepared by reacting aluminium with isopropanol vapours.  The hydrocarbon used is preferably at least partially miscible with the solution and easily separable from alkoxide by distillation: pentanes, hexanes, benzene, toluene, xylenes and petroleum ether are suitable.  After precipitation of impurities (in the example, a black sludge containing iron) the solution may be separated by filtering, centrifuging or decanting and filtering and the hydrocarbon removed by distillation and recovered for reuse.  Thereafter the alkoxide is hydrolysed, in the example by adding to an excess of boiling water.  The invention makes possible the use of less pure aluminium to produce alumina catalytic materials.  Specification 663,128 is referred to.ALSO:Solutions of aluminium alkoxides in the corresponding alcohols, prepared by reacting aluminium with said alcohols, are purified by adding a liquid hydrocarbon or liquid hydrocarbon mixture and separating the resultant precipitate.  Alcohols referred to are methanol (Provisional Specification), ethanol, propanols and butanols; in the example aluminium isopropoxide is prepared by reacting aluminium with isopropanol vapours.  The hydrocarbon used is preferably at least partially miscible with the solution and separable from the alkoxide by distillation; pentanes, hexanes, benzene, toluene, xylenes and petroleum ether are suitable.  After precipitation of impurities (in the example a black sludge containing iron) the solution may be separated by filtration, or decanting and filtration, or centrifuging and the hydrocarbon removed by distillation and recovered for reuse. Specification 663,128 is referred to.
Patent GB-529273-A (GB)
Title: Two-speed driving mechanism for centrifugal compressors
IPC: F04D25/02
Filed: 1939-05-26
Abstract: 529,273. Variable-speed gearing. POTEZ, H. C. A. May 26, 1939, No. 15649. Convention date, June 10, 1938. [Class 80 (ii)] [Also in Group XXVI] A centrifugal compressor 12 adapted to be driven at twc speeds, has the change gearing housed in a casing 17 which is located on the side of the impeller remote from the driving shaft 1. The clutch comprises two conical members 33, 34 secured to a disc 30 on a hollow shaft 6, and two complementary members 31, 32 and is operated by axial movement of the shaft 6 due to fluid pressure in chambers 28, 29. A valve 25 admits pressure fluid to passages 23, 19, 26 and the chamber 28 thereby causing clutch members 31, 33 to engage, or, to passages 24, 20, 27 and the chamber 29 causing clutch members 32, 34 to engage. In one setting, the drive is through the shaft 6, clutch members 30, 34, 32, sleeve member 35 and a claw type coupling 37, 38, 39, to the hollow shaft 11 on which the impeller 12 is mounted. In the other setting, the drive is through the shaft 6, clutch members 30, 33, 31, gearing 42, 43, 45, 46 and the coupling 37, 38, 39. Holes 49 serve to lubricate the clutch facings before contact.
Patent GB-1217040-A (GB)
Title: Adjusting plates or blocks for supporting heavy bodies such as building elements
IPC: E04G21/14
Filed: 1968-04-02
Abstract: 1,217,040. Underpinning. HOLLANDSCHE DRAAD-EN KABELFABRIEK N.V. 2 April, 1968 [3 April, 1967], No. 15802/68. Heading E1E. [Also in Divisions F2 and H5] A plate or block 1 of polyvinyl chloride for underpinning a wall element is provided with a heating coil 3, 4 whereby it can be made to yield and allow the wall element to settle on the substrate. The plate is provided with parallel ribs 2 as shown and the heating coil may be embedded therein or located on an outer surface thereof. A series of such units may serve to position a machine on an uneven floor.
Patent GB-238501-A (GB)
Title: Improvements in buoyancy motors
IPC: F03B17/04
Filed: 1925-06-19
Abstract: 238,501. Maddock, E. June 19, 1925. Self-driving machines.-In a buoyancy motor, floats h are provided with guides loosely engaging radial slots f formed in discs e secured to a central shaft b, extensions on the said guides engaging tracks k in eccentrics i, which are normally stationary but can be adjusted by links m so as to shift the tracks k relatively to the vertical plane containing the axis of the shaft b.
Patent GB-1217624-A (GB)
Title: Improvements in or relating to compression-ignition internal-combustion engines
IPC: F02F1/38
Filed: 1968-04-02
Abstract: 1,217,624. Direct injection engines. FFSA. April 2, 1968 [April 7, 1967], No. 15893/68. Heading F1B. In a direct-injection engine having inlet and exhaust valves with axes lying in a plane through the cylinder axis and converging towards the piston, the combustion chamber is formed by a recess 17 in the piston crown and the axes of a multi-hole injector 15 lies in a second plane at right angles to the first. The cylinder head wall may be hemispherical or frusto-conical and the injector 15 may be situated on the cylinder axis or offset therefrom and inclined.
Patent GB-937255-A (GB)
Title: System for illuminating car on a parking space
Inventor: HOUSE EDWARD TERENCE
IPC: E04H5/06
Filed: 1961-05-02
Abstract: 937,255. Service stations. SHELL-MEX & B.P. Ltd. July 27, 1962 [May 2, 1961], No. 15903/61. Drawings to Specification. Class 116. A parking space for a vehicle in a vehicle servicing station such as the petrol filling station of Specification 937,256, is illuminated by lights, preferably below ground, adjacent the periphery of the parking space which are switched on or brightened by the arrival of a vehicle in the parking space and switched off or dimmed by its departure. The switching may be effected by one or two tread switches or by photo-electric means.
Patent GB-1223007-A (GB)
Title: Separating medium for castable refractory dies
IPC: A61C5/77
Filed: 1968-04-03
Abstract: 1,223,007. Refractory compositions. CERAMCO INDUSTRIAL PRODUCTS CORP. 3 April, 1968 [3 April, 1967], No. 15954/68. Heading C1J. A medium for use in separating a porcelain prosthesis from a ceramic die comprises a suspension of a refractory powder, not wetted by fused porcelain, in an evaporating vehicle containing in solution a cellulosic ester and, optionally, a lower alkyl acetate, the weight volume ratio of refractory to ester 11À1-14À3 to 1. Specified are refractories: mica, talc, alumina, magnesia; ester: nitrate; vehicle: acetone; and acetate: amyl, butyl or ethyl.
Patent GB-254709-A (GB)
Title: Improvements in apparatus for washing coals
IPC: B03B5/24
Filed: 1926-06-25
Abstract: 254,709. Wolf, P. July 3, 1925, [Convention date]. Addition to 206,151. Jigs.-Relates to means for controlling the discharge of heavy material from a jig for washing coal. The discharge chamber 4 for the heavy material S is surmounted by an air chamber 5 the communication of which with the atmosphere is controlled by a cylindrical valve 9 rotatable in a chamber 7 open to the atmosphere. Continuously operating worm gearing 32 and a friction drive 31 tend to move the valve 9 into the closed position. and gearing 10 operated intermittently by a stop 18, carried by a float 20 which follows the oscillations of the water, tends to open it. The air pressure in the chamber 4, and consequently the discharge of the material S by the movement of the water, is thus controlled by the accumulation of the heavy material itself. The valve 9 is demountable for cleaning &c. by releasing a screw 39. The water pulsations may be produced by a piston or by the action of water under constant pressure periodically distributed.
Patent GB-272940-A (GB)
Title: Means for compensating for heat expansion in the valve gear of heat engines, more particularly internal combustion engines
IPC: F01L1/12
Filed: 1927-06-16
Abstract: 272,940. Siemens & Halske Akt.- Ges. June 17, 1926, [Convention date]. Valve gear. - In order to compensate for heat expansion, the overhead valve lever 1 is mounted on a pin 4 which is secured to an eccentric 5 carried in a bracket 6 on the cylinder head, the pin 4 being connected by a rod 7 to a part 8 of the engine having small expansion relatively to that of the cylinder head. The eccentric mounting 5 allows upexpansion of the bracket 6 without altering the height of the pin 4, which is held in position by the rod 7. In a modification, a lever is interposed in the length of the rod 7.
Patent GB-1005047-A (GB)
Title: Improvements in and relating to segmented polyurethane copolymers
IPC: D01F6/72
Filed: 1964-04-17
Abstract: A segmented polymer consisting essentially of a plurality of intralinear structural units of the formula <FORM:1005047/C3/1> wherein m and n are positive integers; G is a long chain polymeric radical free from substituents reactive with an isocyanate and having a M.W. above 950; and R is p,p1-methylene - diphenyl, p,p1 - isopropylidene-diphenyl, p,p1 - oxydiphenyl, p,p1 - thiodiphenyl, or the foregoing radicals having methyl or ethyl as ring substituents. The above polymer may be prepared by reacting a hydroxyl terminated polyether or polyester of M.W. above 1000 with an organic diisocyanate in a molar ratio of between 1.7 and 2.2 : 1 to provide a prepolymer of M.W. above 1500 which is then reacted with m-xylylenediamine.  In a typical Example (1) the reaction product of excess p,p1-methylene diphenyl diisocyanate and polytetramethylene ether glycol is diisolved in N,N-dimethylacetamide and reacted with m-xylylenediamine and diethylamine and the solution dry-spun to produce elastic filaments. Specification 849,154 is referred to.
Patent GB-529464-A (GB)
Title: An improved method of and apparatus for the manufacture of fibrous tape for electrical insulating purposes
IPC: H01B3/50
Filed: 1939-06-01
Abstract: 529,464. Reinforced carded tape; winding machines. LONDON ELECTRIC WIRE CO., & SMITHS, Ltd., and SANDS, A. J. June 1, 1939, No. 16105. [Classes 120 (ii) and 120 (iii)] A reinforced tape of corded fibres for insulating electric conductors is formed by fixing one or more continuous filaments of organic material to at least one of the two surfaces of the tape and longitudinally thereof; the filaments may be rendered adhesive and may be laid parallel to one another. As shown the corded fibrous material 25 is drawn from a cheese 20 rotatably mounted on a spindle 21 and passes between a pair of feed rollers 23, 24; it passes around the roller 24 where it meets filaments 13...16 of cotton and with them passes over a convex faced heating element 28 and a driven roller 26 to be finally wound up on a spool 30, driven by a drum 31. The filaments 13...16 are drawn from spools 32...35, pass over a grooved roller 37 to a bath of adhesive 38, grooved rollers 39, 41 keeping the filaments in separated parallel relation until they become attached to the corded material at the roller 24. The roller 24 is carried in an arm 47 pivoted at 48 and carrying a contact 50 which, when the material 25 breaks or becomes thin, is moved by a spring 49 to close contacts 50, 51 and complete the circuit through a solenoid 43 or other device and stop the machine by disconnecting the clutch through which the drum 31 is driven and stopping the roller 26. The filaments support contacts 45 either of which, if a filament breaks, also closes the circuit and stops the machine.